Leeper, Robert, 1904- Toward understanding human personalities / [By] Robert Ward Leeper [and] Peter Madison. - New York : Appleton-Century-Crofts, [1959]. - 439 p. ; 24 cm. - The Century psychology series . - 137 . Includes bibliogr. references Subjects--Topical Terms: Personality. Dewey Class. No.: 137